mirror of https://gitee.com/bigwinds/arangodb
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
|
|
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
///
|
|
/// @author Jan Christoph Uhde
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_AQL_EXECUTOR_EXPRESSION_CONTEXT_H
|
|
#define ARANGOD_AQL_EXECUTOR_EXPRESSION_CONTEXT_H 1
|
|
|
|
#include "Aql/QueryExpressionContext.h"
|
|
#include "Aql/types.h"
|
|
|
|
#include <vector>
|
|
|
|
namespace arangodb {
|
|
namespace aql {
|
|
class AqlItemBlock;
|
|
class Query;
|
|
class InputAqlItemRow;
|
|
|
|
class ExecutorExpressionContext final : public QueryExpressionContext {
|
|
public:
|
|
ExecutorExpressionContext(Query* query, InputAqlItemRow const& inputRow,
|
|
std::vector<Variable const*> const& vars,
|
|
std::vector<RegisterId> const& regs);
|
|
|
|
~ExecutorExpressionContext() override = default;
|
|
|
|
size_t numRegisters() const override;
|
|
|
|
AqlValue getVariableValue(Variable const* variable, bool doCopy,
|
|
bool& mustDestroy) const override;
|
|
|
|
private:
|
|
/// @brief temporary storage for expression data context
|
|
InputAqlItemRow const& _inputRow;
|
|
std::vector<Variable const*> const& _vars;
|
|
std::vector<RegisterId> const& _regs;
|
|
};
|
|
} // namespace aql
|
|
} // namespace arangodb
|
|
#endif
|